The Nut,plain,round, cataloged under National Stock Number 5310-00-550-2414, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-550-2414 |
| Primary Part Number | 305678 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Drive Point Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Nut Thickness | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Drive Point Depth | 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Thread Series | UN |
| Hardness Rating | 10.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM |
| Nominal Thread Size | 1.750 INCHES IN |
| Material | STEEL OVERALL |
| Drive Point Quantity | 4 |
| Nut Diameter | 2.125 INCHES NOMINAL IN |
| Nut Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-550-2414 is a Nut,plain,round, manufactured by Lockheed Martin Corp, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-550-2414 has 2 cross-referenced part numbers: 305678 (Lockheed Martin Corp), H2767 (Pacific Aviation Inc).
There are 2 known substitutes for 5310-00-550-2414: 5895-00-019-3428, 3110-00-100-3636. Verify interchangeability with system specifications before substitution.
Key specifications for 305678: Drive Point Width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Nut Thickness: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Drive Point Depth: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN; Thread Class: 3B. 13 total characteristics are documented in the Federal Logistics Information System.